cursors for nft/assets (#400)

This commit is contained in:
Dominic Wong
2022-03-09 16:55:31 +00:00
committed by GitHub
parent 163c24dc17
commit b8e712b97a
4 changed files with 103 additions and 59 deletions

View File

@@ -3,7 +3,9 @@ package domain
import "encoding/json"
type AssetsResponse struct {
Assets []*Asset `json:"assets"`
Assets []*Asset `json:"assets"`
Next string `json:"next"`
Previous string `json:"previous"`
}
type CollectionsResponse struct {

View File

@@ -49,7 +49,6 @@ func (o *OpenSea) Assets(ctx context.Context, req *pb.AssetsRequest, rsp *pb.Ass
params := "?"
limit := int32(20)
offset := int32(0)
order := "desc"
orderBy := ""
@@ -57,10 +56,6 @@ func (o *OpenSea) Assets(ctx context.Context, req *pb.AssetsRequest, rsp *pb.Ass
limit = req.Limit
}
if req.Offset > 0 {
offset = req.Offset
}
if req.Order == "asc" {
order = "asc"
}
@@ -70,8 +65,11 @@ func (o *OpenSea) Assets(ctx context.Context, req *pb.AssetsRequest, rsp *pb.Ass
orderBy = req.OrderBy
}
params += fmt.Sprintf("limit=%d&offset=%d&order_direction=%s",
limit, offset, order)
params += fmt.Sprintf("limit=%d&order_direction=%s", limit, order)
if len(req.Cursor) > 0 {
params += fmt.Sprintf("&cursor=%s", req.Cursor)
}
if len(orderBy) > 0 {
params += "&order_by=" + orderBy
@@ -90,6 +88,8 @@ func (o *OpenSea) Assets(ctx context.Context, req *pb.AssetsRequest, rsp *pb.Ass
for _, asset := range resp.Assets {
rsp.Assets = append(rsp.Assets, assetToPb(asset))
}
rsp.Next = resp.Next
rsp.Previous = resp.Previous
return nil
}

View File

@@ -1112,7 +1112,9 @@ type AssetsRequest struct {
// limit returned assets
Limit int32 `protobuf:"varint,1,opt,name=limit,proto3" json:"limit,omitempty"`
// offset for pagination
// DEPRECATED offset for pagination, please use cursor instead
//
// Deprecated: Do not use.
Offset int32 `protobuf:"varint,2,opt,name=offset,proto3" json:"offset,omitempty"`
// order "asc" or "desc"
Order string `protobuf:"bytes,3,opt,name=order,proto3" json:"order,omitempty"`
@@ -1120,6 +1122,8 @@ type AssetsRequest struct {
OrderBy string `protobuf:"bytes,4,opt,name=order_by,json=orderBy,proto3" json:"order_by,omitempty"`
// limit to members of a collection by slug name (case sensitive)
Collection string `protobuf:"bytes,5,opt,name=collection,proto3" json:"collection,omitempty"`
// A cursor pointing to the page to retrieve
Cursor string `protobuf:"bytes,6,opt,name=cursor,proto3" json:"cursor,omitempty"`
}
func (x *AssetsRequest) Reset() {
@@ -1161,6 +1165,7 @@ func (x *AssetsRequest) GetLimit() int32 {
return 0
}
// Deprecated: Do not use.
func (x *AssetsRequest) GetOffset() int32 {
if x != nil {
return x.Offset
@@ -1189,6 +1194,13 @@ func (x *AssetsRequest) GetCollection() string {
return ""
}
func (x *AssetsRequest) GetCursor() string {
if x != nil {
return x.Cursor
}
return ""
}
type AssetsResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -1196,6 +1208,10 @@ type AssetsResponse struct {
// list of assets
Assets []*Asset `protobuf:"bytes,1,rep,name=assets,proto3" json:"assets,omitempty"`
// A cursor to be supplied to retrieve the next page of results
Next string `protobuf:"bytes,2,opt,name=next,proto3" json:"next,omitempty"`
// A cursor to be supplied to retrieve the previous page of results
Previous string `protobuf:"bytes,3,opt,name=previous,proto3" json:"previous,omitempty"`
}
func (x *AssetsResponse) Reset() {
@@ -1237,6 +1253,21 @@ func (x *AssetsResponse) GetAssets() []*Asset {
return nil
}
func (x *AssetsResponse) GetNext() string {
if x != nil {
return x.Next
}
return ""
}
func (x *AssetsResponse) GetPrevious() string {
if x != nil {
return x.Previous
}
return ""
}
// Get a single asset by the contract
type AssetRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@@ -1339,6 +1370,7 @@ func (x *AssetResponse) GetAsset() *Asset {
return nil
}
// Get a collection by its slug
type CollectionRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
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}
var (

View File

@@ -173,19 +173,25 @@ message Token {
message AssetsRequest {
// limit returned assets
int32 limit = 1;
// offset for pagination
int32 offset = 2;
// DEPRECATED offset for pagination, please use cursor instead
int32 offset = 2 [deprecated = true];
// order "asc" or "desc"
string order = 3;
// order by "sale_date", "sale_count", "sale_price", "total_price"
string order_by = 4;
// limit to members of a collection by slug name (case sensitive)
string collection = 5;
// A cursor pointing to the page to retrieve
string cursor = 6;
}
message AssetsResponse {
// list of assets
repeated Asset assets = 1;
// A cursor to be supplied to retrieve the next page of results
string next = 2;
// A cursor to be supplied to retrieve the previous page of results
string previous = 3;
}
// Get a single asset by the contract